Headless bass guitar



FIG. 1 is a front elevational view of a headless bass guitar showing my new design;

FIG. 2 is a rear elevational view thereof; and,

FIG. 3 is a right side elevational view thereof.

The broken lines shown in the drawings are for illustrative purpose only and form no part of the claimed design. 

The ornamental design for a headless bass guitar, as shown and described. 